'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

// resolve
function resolve(dir) {
  return path.join(__dirname, dir)
}

// page title
const name = defaultSettings.title || '隔离系统'

// server port
const port = process.env.port || process.env.npm_config_port || 9999
// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  publicPath: '/',
  outputDir: 'dist',
  assetsDir: 'static',
  // lintOnSave: process.env.NODE_ENV === 'development',
  lintOnSave: false,
  productionSourceMap: process.env.NODE_ENV === 'development', // 开发环境会开启sourcemap
  devServer: {
    port: port,
    open: true,
    // 配置反向代理

    proxy: {
      '/quarant/server': {
        // target: 'http://172.18.11.226:9099', // 172.16.12.99  http://172.16.12.99:9099
        // target: 'http://172.18.41.29:9099',
        target: 'http://172.18.27.48:9099',
        changeOrigin: true
      }
    },
    disableHostCheck: true,
    overlay: {
      warnings: false,
      errors: true
    }
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack: (config) => {
    // it can improve the speed of the first screen, it is recommended to turn on preload
    // config.plugin('preload').tap(() => [
    //   {
    //     rel: 'preload',
    //     // to ignore runtime.js
    //     // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
    //     fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
    //     include: 'initial'
    //   }
    // ])

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete('prefetch')

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // not development
    config.when(process.env.NODE_ENV !== 'development', (config) => {
      // config
      //   .plugin('ScriptExtHtmlWebpackPlugin')
      //   .after('html')
      //   .use('script-ext-html-webpack-plugin', [
      //     {
      //       // `runtime` must same as runtimeChunk name. default is `runtime`
      //       inline: /runtime\..*\.js$/
      //     }
      //   ])
      //   .end()

      // config optimization
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial' // only package third parties that are initially dependent
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
          },
          antDesignUI: {
            name: 'chunk-antDesignUI', // split antDesignUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?ant-design(.*)/ // in order to adapt to cnpm
          },
          vantUI: {
            name: 'chunk-vantUI', // split vantUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?vant(.*)/ // in order to adapt to cnpm
          },
          echarts: {
            name: 'chunk-echarts',
            test: /[\\/]node_modules[\\/](vue-)?echarts[\\/]/,
            priority: 4
          },
          styles: {
            name: 'styles', // split styles
            test: /\.(le|sa|sc|c)ss$/,
            priority: 4
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            enforce: true,
            reuseExistingChunk: true
          }
        }
      })
      // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
      config.optimization.runtimeChunk('single')
    })
  }
}
